Chun Yi (David) Li@hackerrank1171Software engineerSouth AfricaFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillWork Experiencehackerrank1171 has not updated employment details yet.Educationhackerrank1171 has not updated education details yet.